void glopEnd(GLContext * c, GLParam * param)
{
(void) param;
gl_assert(c->in_begin == 1);
if (c->begin_type == GL_LINE_LOOP) {
if (c->vertex_cnt >= 3) {
gl_draw_line(c, &c->vertex[0], &c->vertex[2]);
}
} else if (c->begin_type == GL_POLYGON) {
int i = c->vertex_cnt;
while (i >= 3) {
i--;
gl_draw_triangle(c, &c->vertex[i], &c->vertex[0], &c->vertex[i - 1]);
}
}
c->in_begin = 0;
}
void GameChat::draw_player_chat(GameState* gs) const {
perf_timer_begin(FUNCNAME);
const font_data& font = gs->primary_font();
const int padding = 5;
int line_sep = font.h + 2;
int view_w = gs->view().width, view_h = gs->view().height;
int chat_w = view_w, chat_h = 100;
int chat_x = 0, chat_y = 0; //h - chat_h - TILE_SIZE;
int text_x = chat_x + padding, text_y = chat_y + padding;
gl_draw_rectangle(chat_x, chat_y, chat_w, chat_h,
COL_CONSOLE_BOX.with_alpha(50 * fade_out));
bool draw_typed_message = is_typing || !typed_message.empty();
int start_msg = 0;
int message_space = chat_h - padding * 2
- (draw_typed_message ? line_sep : 0);
int msgs_in_screen = message_space / line_sep;
if (messages.size() > msgs_in_screen) {
start_msg = messages.size() - msgs_in_screen;
}
for (int i = start_msg; i < messages.size(); i++) {
messages[i].draw(font, fade_out, text_x, text_y);
text_y += line_sep;
}
if (draw_typed_message) {
int type_y = chat_y + chat_h - padding - line_sep;
gl_draw_line(chat_x, type_y, chat_x + chat_w, type_y,
Colour(200, 200, 200, fade_out * 180));
typed_message.draw(font, fade_out, text_x, type_y + padding - 1);
}
perf_timer_end(FUNCNAME);
}
void glopVertex(GLContext * c, GLParam * p)
{
GLVertex *v;
int n, i, cnt;
gl_assert(c->in_begin != 0);
n = c->vertex_n;
cnt = c->vertex_cnt;
cnt++;
c->vertex_cnt = cnt;
/* quick fix to avoid crashes on large polygons */
if (n >= c->vertex_max) {
GLVertex *newarray;
c->vertex_max <<= 1; /* just double size */
newarray = gl_malloc(sizeof(GLVertex) * c->vertex_max);
if (!newarray) {
gl_fatal_error("unable to allocate GLVertex array.\n");
}
memcpy(newarray, c->vertex, n * sizeof(GLVertex));
gl_free(c->vertex);
c->vertex = newarray;
}
/* new vertex entry */
v = &c->vertex[n];
n++;
v->coord.X = p[1].f;
v->coord.Y = p[2].f;
v->coord.Z = p[3].f;
v->coord.W = p[4].f;
gl_vertex_transform(c, v);
/* color */
if (c->lighting_enabled) {
gl_shade_vertex(c, v);
} else {
v->color = c->current_color;
}
/* tex coords */
if (c->texture_2d_enabled) {
if (c->apply_texture_matrix) {
gl_M4_MulV4(&v->tex_coord, c->matrix_stack_ptr[2], &c->current_tex_coord);
} else {
v->tex_coord = c->current_tex_coord;
}
}
/* precompute the mapping to the viewport */
if (v->clip_code == 0)
gl_transform_to_viewport(c, v);
/* edge flag */
v->edge_flag = c->current_edge_flag;
switch (c->begin_type) {
case GL_POINTS:
gl_draw_point(c, &c->vertex[0]);
n = 0;
break;
case GL_LINES:
if (n == 2) {
gl_draw_line(c, &c->vertex[0], &c->vertex[1]);
n = 0;
}
break;
case GL_LINE_STRIP:
case GL_LINE_LOOP:
if (n == 1) {
c->vertex[2] = c->vertex[0];
} else if (n == 2) {
gl_draw_line(c, &c->vertex[0], &c->vertex[1]);
c->vertex[0] = c->vertex[1];
n = 1;
}
break;
case GL_TRIANGLES:
if (n == 3) {
gl_draw_triangle(c, &c->vertex[0], &c->vertex[1], &c->vertex[2]);
n = 0;
}
break;
case GL_TRIANGLE_STRIP:
if (cnt >= 3) {
if (n == 3)
n = 0;
/* needed to respect triangle orientation */
switch(cnt & 1) {
case 0:
gl_draw_triangle(c,&c->vertex[2],&c->vertex[1],&c->vertex[0]);
break;
default:
case 1:
gl_draw_triangle(c,&c->vertex[0],&c->vertex[1],&c->vertex[2]);
break;
}
}
break;
case GL_TRIANGLE_FAN:
if (n == 3) {
gl_draw_triangle(c, &c->vertex[0], &c->vertex[1], &c->vertex[2]);
c->vertex[1] = c->vertex[2];
n = 2;
}
break;
case GL_QUADS:
if (n == 4) {
c->vertex[2].edge_flag = 0;
gl_draw_triangle(c, &c->vertex[0], &c->vertex[1], &c->vertex[2]);
c->vertex[2].edge_flag = 1;
c->vertex[0].edge_flag = 0;
gl_draw_triangle(c, &c->vertex[0], &c->vertex[2], &c->vertex[3]);
n = 0;
}
break;
case GL_QUAD_STRIP:
if (n == 4) {
gl_draw_triangle(c, &c->vertex[0], &c->vertex[1], &c->vertex[2]);
gl_draw_triangle(c, &c->vertex[1], &c->vertex[3], &c->vertex[2]);
for (i = 0; i < 2; i++)
c->vertex[i] = c->vertex[i + 2];
n = 2;
}
break;
case GL_POLYGON:
break;
default:
gl_fatal_error("glBegin: type %x not handled\n", c->begin_type);
}
c->vertex_n = n;
}
